Dendrochronology & Astronomy

Story first featured on the University of Arizona Steward Observatory’s education program “Active Galactic Videos” here. What is the link between the trees and the Sun? They are not anywhere close to one another — the Sun is 92 million miles away and trees grow here on Earth. Both are made out of the same basic materials fused by the universe. But the link between the … Continue reading Dendrochronology & Astronomy